防雷(lei)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)設備現場檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)前(qian)的準備工作稱為預檢(jian)(jian)(jian)(jian)(jian)。防雷(lei)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)前(qian)，用(yong)于(yu)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)的檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)儀(yi)器(qi)、量(liang)具和量(liang)具應檢(jian)(jian)(jian)(jian)(jian)查以下內容。
  防(fang)雷檢(jian)測的主要檢(jian)測內容：
  1.檢查(cha)防雷(lei)裝置、接(jie)閃(shan)器(qi)、引下線和接(jie)地裝置的連接(jie)是(shi)否有效。
  2.10要(yao)求(qiu)接(jie)地系統的有(you)效接(jie)地電(dian)阻。
  3.電(dian)源防雷系統(tong)對地(di)絕緣(yuan)阻(zu)抗(kang)是(shi)否在允許(xu)范圍內，接地(di)系統(tong)是(shi)否牢固，瞬時(shi)卡壓(ya)值是(shi)否變化。
  4.信息系統(tong)信號防雷系統(tong)，考慮連接電(dian)(dian)阻是(shi)否在(zai)參數允許范(fan)圍內，箝位壓力瞬時值是(shi)否變(bian)化，對地絕(jue)緣電(dian)(dian)阻正常(chang)值等等。
  一般來(lai)說防雷(lei)檢測(ce)基本都有以上(shang)幾個方面(mian)，需要根據地域(yu)要求。畢竟高雷(lei)暴地區的要求比較高。
  等電位測試儀的特點：
  等(deng)電(dian)(dian)位(wei)測(ce)試(shi)儀(yi)又稱微歐(ou)計、歐(ou)姆計、DC接(jie)地電(dian)(dian)阻測(ce)試(shi)儀(yi)，采用zui微處理(li)器(qi)技術，四線(xian)(xian)(xian)法測(ce)試(shi)。是檢測(ce)設備外(wai)殼、避雷帶、地梁、結構(gou)、機(ji)柜、鋼(gang)筋、水管、窗戶、護(hu)欄、暖氣片、流水線(xian)(xian)(xian)等(deng)金屬(shu)構(gou)件之間等(deng)電(dian)(dian)位(wei)聯結質量(liang)(liang)的(de)儀(yi)器(qi)。還可以測(ce)量(liang)(liang)各種電(dian)(dian)氣設備與(yu)接(jie)地網接(jie)地極之間的(de)連接(jie)導(dao)體的(de)電(dian)(dian)阻，變壓(ya)器(qi)的(de)DC電(dian)(dian)阻，開關和插(cha)座觸點(dian)、線(xian)(xian)(xian)圈(quan)、金屬(shu)線(xian)(xian)(xian)、焊點(dian)等(deng)低值電(dian)(dian)阻的(de)接(jie)觸電(dian)(dian)阻。廣(guang)泛應用于電(dian)(dian)信、電(dian)(dian)力、氣象、機(ji)房、油(you)田、配電(dian)(dian)線(xian)(xian)(xian)路、鐵塔輸電(dian)(dian)線(xian)(xian)(xian)路、加油(you)站、工廠接(jie)地網、避雷針等(deng)。它還具(ju)有測(ce)量(liang)(liang)DC電(dian)(dian)壓(ya)和交流電(dian)(dian)壓(ya)的(de)功(gong)能。
  等電(dian)位測試儀式由(you)主機(ji)、測試線(xian)、監控軟件和(he)通信線(xian)組成。主機(ji)顯(xian)示在大液晶屏上，一目(mu)了然。可存(cun)儲500組數據，電(dian)阻測量(liang)范圍0.0001~ 30k~ 30，DC電(dian)壓范圍0.0 ~ 1000 V，交流電(dian)壓范圍0.0 ~ 750 V.
  監(jian)控軟件(jian)具有在線(xian)實時監(jian)控與歷史查(cha)詢(xun)功能，動(dong)態顯示，具有報(bao)警值設定及(ji)報(bao)警指示功能，具有歷史數據讀取、保存(cun)、查(cha)閱、報(bao)表、打(da)印等功能。

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